This article gives an energy decay result for small data solutions to a class of semilinear wave equations in two space dimensions possessing weakly dissipative structure relevant to the Agemi condition.
The work of the second author is supported by Grant-in-Aid for Scientific Research (C) (No. 17K05322), JSPS. This work is partly supported by Osaka City University Advanced Mathematical Institure (MEXT Joint Usage/Research Center on Mathematics and Theoretical Physics JPMXP0619217849).
"Energy decay for small solutions to semilinear wave equations with weakly dissipative structure." J. Math. Soc. Japan 73 (3) 767 - 779, July, 2021. https://doi.org/10.2969/jmsj/84148414